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Philips MCM8/21 Service Manual page 71

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0201 D10
1207 B5
1222 A2
2204 A6
1201 A3
1208 C3
1223 A2
2205 A10
1203 A5
1209 C5
2200 A6
2207 B8
1205 A3
1210 C10
2201 C8
2208 B9
1206 A3
1212 B5
2203 A6
2209 C6
1
2
MAINS BOARD /
PWR304 150W CLASS D
* 9251
1204
1221
1222
5220
2
2240
100n
* 2241
1
97TS
1220
1223
A
* 9250
3206
MAINS_2
10M
B
0V
7205
BC337-40
BZX79-B2V7
6224
0.7V
C
12V_RELAIS
4.3V
LOW_PWR_CTRL
0V
1N4003
6213
1N4003
MAINS_1
6217
D
5202
* 2220
1mH
47n
32,7
E
5203
6225
1mH
1N4003
MAINS_2
6226
1N4003
1
2
11-15
2210 C7
2215 D5
2220 E1
2226 D7
2233 A7
2211 C7
2216 E8
2222 D1
2228 C1
2240 A1
2212 B7
2217 E9
2223 D6
2230 A7
3200 A8
2213 D4
2218 E1
2224 E6
2231 B7
3201 B8
2214 D1
2219 E7
2225 C8
2232 A7
3202 A8
3
4
1201
5001
T1A6
IEC
1206
T4A UL
T1A25 NON ECO
1
2
NOT /21
SDKP
9200
3
/21 ONLY
4
1205
5
T1A6
/21 ONLY
T1A25 NON ECO
6
T.F
MAINS_1
9201
7
8
7
6
5
4
3
2000TS-092
6212
+D2
1
2
MAINS_2
OZ
1N4148
1208
10.2V
6211
1N4148
7203
3222
38V
680R
BD438
3
4
3203 B9
3211 D4
3218 B1
3223 B8
3204 A2
3212 D5
3219 E6
5001 A4
3205 B9
3213 D8
3220 E4
5202 E1
3206 B2
3215 E3
3221 D6
5203 E1
3207 C8
3217 C2
3222 E3
5204 D7
5
6
1203
T5A
19372
NTC
17
GBU8D
6202
14
13
1212
12
T5A
19372
DISPLAY
11
10
9
8
F1
16
F2
15
1207
T2A
19372
1209
T2A
19372
STANDBY
3221
2223
5204
330R
100n
2
4
1
3
7206
BC547B
3A1631N
2224
10n
BC557B
7204
21V
5
6
11-15
6200 B8
6207 C7
6213 D2
6220 D8
6201 C9
6209 C6
6215 D8
6221 E8
6202 A6
6210 C7
6216 D9
6222 E8
6204 B9
6211 C3
6217 D2
6223 E3
6206 C6
6212 C3
6219 D6
6224 C1
7
8
9
43V
+AMP
-43V
-AMP
3201
6227
1N4003
4R7
10.9V
+D2
5,2V
PWR_DWN
22.9V
+D
5V6_ECO
LOW_PWR_CTRL
to C1
PWR_DWN
2225
12V_RELAIS
100n
1N4148
1N4148
14V
2226
5
6215
6216
100n
6
1N4148
5V6_ECO
6220
5.6V
xxV
DC voltages measured in Tuner mode,
mains supply 230V
xxV
ECO STANDBY MODE
V
EVM
xxV
measured with a " not grounded multimeter "
* not used
7
8
9
6225 E2
7200 A9
9200 A3
6226 E2
7203 D3
9201 B3
6227 B8
7204 E5
9250 A1
6228 C1
7205 B2
9251 A1
6229 C8
7206 D5
10
A
7200
-Vkk
BD438
-49V
-33.5V
-34V
B
1210
5V6_ECO
5,6V
7
C
LOW_PWR_CTRL
6
4,3V
4V
NTC
NTC
5
PWR_DWN
5,2V
4
F2
-25,8V
F2
3
F1
-25,8V
F1
2
-Vkk
-Vkk
-33,5V
1
D
0201
+AMP
+AMP
+43V
1
+AMP
2
+43V
3
4
-AMP
-43V
5
-AMP
-AMP
-43V
6
E
+D
+D
22.9V
7
8
+D2
9
+D2
10.9V
10
Power2003 150W ClassD Mains Board Circuit Diagram 2003 12 03
10

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